img {
  width: 100%;
  height: 100%;
}
.flex-size {
  flex: 1 1 auto;
}
.flex-row,
.flex-column {
  display: flex;
  flex-wrap: nowrap;
}
.flex-column {
  flex-direction: column;
}
.flex-row {
  flex-direction: row;
  align-items: center;
}

